Answer:
Average change in temperature each day = 5 degrees/day
Step-by-step explanation:

Answer:
a
Step-by-step explanation:
you add the two 18 to get 36 and that would be the answer for st and tx
The letter i in mathematics represents √-1. So, keep in mind. i = √-1.
Let's factor √-32 with the i in mind.
√-32 = √(32 * -1) = √32 * √-1 = √32i.
Just remember this formula: √-x = i√x